I suggest to nerf the gun dramatically.
The current gun has the ability to deal 100 damage per shot and it costs around 20AP to shot with it.
Taking into consideration that it has 30% chance to miss it would be fair, however its not.
5 shots per action bar mean 500 damage, 30% from 5 is 1.5 so around 1-2 shots will miss, that's 300-400 damage per AP bar.
However thats not just it. The fire rate of the gun is very fast, in other words you empty your AP bar quite fast, in addition to that bozar fire range is astronomical. You just deploy like with DSR and get free shots without the ability for the enemy to shot back at you.
To sum it up. The enemy will almost always die to bozar in matter of seconds if he is lucky, he wont die. I would like to highlight the "Lucky" part, because it is not the other way around (If enemy is lucky he scores a kill). Combined with its insane range the weapon is just free kills with no drawbacks.
My suggestion is to nerf the damage of bozar by 50% in both bleed and normal damage.